[exporter/elasticsearchexporter] Improve error msg for invalid datapoints#41031

andrzej-stencel merged 5 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-collector-contrib:mainfrom

bogdan-st:invalid_datapoints_errorbogdan-st/opentelemetry-collector-contrib:invalid_datapoints_errorCopy head branch name to clipboard